// Protocol Buffers for Objective C
//
// Copyright 2010 Booyah Inc.
// Copyright 2008 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef OBJC_ENUM_H
#define OBJC_ENUM_H

#include <string>
#include <set>
#include <vector>
#include <google/protobuf/descriptor.h>

namespace google {
    namespace protobuf {
        namespace io {
            class Printer;             // printer.h
        }
    }

    namespace protobuf {
        namespace compiler {
            namespace objectivec {

                class EnumGenerator {
                public:
                    explicit EnumGenerator(const EnumDescriptor* descriptor, const FileDescriptor* file);
                    ~EnumGenerator();

                    void GenerateHeader(io::Printer* printer);
                    void GenerateSource(io::Printer* printer);

                private:
                    const EnumDescriptor* descriptor_;
                    const FileDescriptor* file_;
                    vector<const EnumValueDescriptor*> canonical_values_;

                    struct Alias {
                        const EnumValueDescriptor* value;
                        const EnumValueDescriptor* canonical_value;
                    };
                    vector<Alias> aliases_;

                    GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(EnumGenerator);
                };

            }  // namespace objectivec
        }  // namespace compiler
    }  // namespace protobuf
}  // namespace google

#endif // OBJC_ENUM_H
